<?php
/**
 * @package		简易CMS
 * @subpackage	ZIP处理类
 * @version		$Id: class_pclzip.php 8 2012-06-07 12:37:35Z htmambo@gmail.com $
 * @author		Hoping
 * @copyright	Copyright (C) 2010 Hoping Software Studio.
 */

define('PCLZIP_READ_BLOCK_SIZE', 2048);
define('PCLZIP_SEPARATOR', ',');

define('PCLZIP_ERROR_EXTERNAL', 0);

define('PCLZIP_TEMPORARY_DIR', '');

$g_pclzip_version = "2.1";

define('PCLZIP_ERR_USER_ABORTED', 2);
define('PCLZIP_ERR_NO_ERROR', 0);
define('PCLZIP_ERR_WRITE_OPEN_FAIL', -1);
define('PCLZIP_ERR_READ_OPEN_FAIL', -2);
define('PCLZIP_ERR_INVALID_PARAMETER', -3);
define('PCLZIP_ERR_MISSING_FILE', -4);
define('PCLZIP_ERR_FILENAME_TOO_LONG', -5);
define('PCLZIP_ERR_INVALID_ZIP', -6);
define('PCLZIP_ERR_BAD_EXTRACTED_FILE', -7);
define('PCLZIP_ERR_DIR_CREATE_FAIL', -8);
define('PCLZIP_ERR_BAD_EXTENSION', -9);
define('PCLZIP_ERR_BAD_FORMAT', -10);
define('PCLZIP_ERR_DELETE_FILE_FAIL', -11);
define('PCLZIP_ERR_RENAME_FILE_FAIL', -12);
define('PCLZIP_ERR_BAD_CHECKSUM', -13);
define('PCLZIP_ERR_INVALID_ARCHIVE_ZIP', -14);
define('PCLZIP_ERR_MISSING_OPTION_VALUE', -15);
define('PCLZIP_ERR_INVALID_OPTION_VALUE', -16);

define('PCLZIP_OPT_PATH', 77001);
define('PCLZIP_OPT_ADD_PATH', 77002);
define('PCLZIP_OPT_REMOVE_PATH', 77003);
define('PCLZIP_OPT_REMOVE_ALL_PATH', 77004);
define('PCLZIP_OPT_SET_CHMOD', 77005);
define('PCLZIP_OPT_EXTRACT_AS_STRING', 77006);
define('PCLZIP_OPT_NO_COMPRESSION', 77007);
define('PCLZIP_OPT_BY_NAME', 77008);
define('PCLZIP_OPT_BY_INDEX', 77009);
define('PCLZIP_OPT_BY_EREG', 77010);
define('PCLZIP_OPT_BY_PREG', 77011);
define('PCLZIP_OPT_COMMENT', 77012);
define('PCLZIP_OPT_ADD_COMMENT', 77013);
define('PCLZIP_OPT_PREPEND_COMMENT', 77014);
define('PCLZIP_OPT_EXTRACT_IN_OUTPUT', 77015);

define('PCLZIP_CB_PRE_EXTRACT', 78001);
define('PCLZIP_CB_POST_EXTRACT', 78002);
define('PCLZIP_CB_PRE_ADD', 78003);
define('PCLZIP_CB_POST_ADD', 78004);

/* For futur use
  define( 'PCLZIP_CB_PRE_LIST', 78005 );
  define( 'PCLZIP_CB_POST_LIST', 78006 );
  define( 'PCLZIP_CB_PRE_DELETE', 78007 );
  define( 'PCLZIP_CB_POST_DELETE', 78008 );
 */

class PclZip {

	var $zipname = '';
	var $zip_fd = 0;
	var $error_code = 1;
	var $error_string = '';

	function PclZip($p_zipname) {
		if (!function_exists('gzopen')) {
			die('Abort ' . basename(__FILE__) . ' : Missing zlib extensions');
		}

		$this->zipname = $p_zipname;
		$this->zip_fd = 0;

		return;
	}

	function create($p_filelist /* , options */) {
		$v_result = 1;

		$this->privErrorReset();

		$v_options = array();
		$v_add_path = "";
		$v_remove_path = "";
		$v_remove_all_path = false;
		$v_options[PCLZIP_OPT_NO_COMPRESSION] = FALSE;

		$v_size = func_num_args();

		if ($v_size > 1) {
			$v_arg_list = &func_get_args();

			array_shift($v_arg_list);
			$v_size--;

			if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) {

				$v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options,
								array(PCLZIP_OPT_REMOVE_PATH => 'optional',
									PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
									PCLZIP_OPT_ADD_PATH => 'optional',
									PCLZIP_CB_PRE_ADD => 'optional',
									PCLZIP_CB_POST_ADD => 'optional',
									PCLZIP_OPT_NO_COMPRESSION => 'optional',
									PCLZIP_OPT_COMMENT => 'optional'));
				if ($v_result != 1) {
					return 0;
				}

				if (isset($v_options[PCLZIP_OPT_ADD_PATH])) {
					$v_add_path = $v_options[PCLZIP_OPT_ADD_PATH];
				}
				if (isset($v_options[PCLZIP_OPT_REMOVE_PATH])) {
					$v_remove_path = $v_options[PCLZIP_OPT_REMOVE_PATH];
				}
				if (isset($v_options[PCLZIP_OPT_REMOVE_ALL_PATH])) {
					$v_remove_all_path = $v_options[PCLZIP_OPT_REMOVE_ALL_PATH];
				}
			} else {

				$v_add_path = $v_arg_list[0];

				if ($v_size == 2) {
					$v_remove_path = $v_arg_list[1];
				} else if ($v_size > 2) {
					PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,
									"Invalid number / type of arguments");

					return 0;
				}
			}
		}

		$p_result_list = array();
		if (is_array($p_filelist)) {
			$v_result = $this->privCreate($p_filelist, $p_result_list, $v_add_path, $v_remove_path, $v_remove_all_path, $v_options);
		} else if (is_string($p_filelist)) {
			$v_list = explode(PCLZIP_SEPARATOR, $p_filelist);

			$v_result = $this->privCreate($v_list, $p_result_list, $v_add_path, $v_remove_path, $v_remove_all_path, $v_options);
		} else {
			PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid variable type p_filelist");
			$v_result = PCLZIP_ERR_INVALID_PARAMETER;
		}

		if ($v_result != 1) {
			return 0;
		}
		return $p_result_list;
	}

	function add($p_filelist /* options */) {
		$v_result = 1;

		$this->privErrorReset();

		$v_options = array();
		$v_add_path = "";
		$v_remove_path = "";
		$v_remove_all_path = false;
		$v_options[PCLZIP_OPT_NO_COMPRESSION] = FALSE;

		$v_size = func_num_args();

		if ($v_size > 1) {
			$v_arg_list = &func_get_args();

			array_shift($v_arg_list);
			$v_size--;

			if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) {

				$v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options,
								array(PCLZIP_OPT_REMOVE_PATH => 'optional',
									PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
									PCLZIP_OPT_ADD_PATH => 'optional',
									PCLZIP_CB_PRE_ADD => 'optional',
									PCLZIP_CB_POST_ADD => 'optional',
									PCLZIP_OPT_NO_COMPRESSION => 'optional',
									PCLZIP_OPT_COMMENT => 'optional',
									PCLZIP_OPT_ADD_COMMENT => 'optional',
									PCLZIP_OPT_PREPEND_COMMENT => 'optional'));
				if ($v_result != 1) {
					return 0;
				}

				if (isset($v_options[PCLZIP_OPT_ADD_PATH])) {
					$v_add_path = $v_options[PCLZIP_OPT_ADD_PATH];
				}
				if (isset($v_options[PCLZIP_OPT_REMOVE_PATH])) {
					$v_remove_path = $v_options[PCLZIP_OPT_REMOVE_PATH];
				}
				if (isset($v_options[PCLZIP_OPT_REMOVE_ALL_PATH])) {
					$v_remove_all_path = $v_options[PCLZIP_OPT_REMOVE_ALL_PATH];
				}
			} else {

				$v_add_path = $v_arg_list[0];

				if ($v_size == 2) {
					$v_remove_path = $v_arg_list[1];
				} else if ($v_size > 2) {
					PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid number / type of arguments");
					return 0;
				}
			}
		}

		$p_result_list = array();
		if (is_array($p_filelist)) {
			$v_result = $this->privAdd($p_filelist, $p_result_list, $v_add_path, $v_remove_path, $v_remove_all_path, $v_options);
		} else if (is_string($p_filelist)) {
			$v_list = explode(PCLZIP_SEPARATOR, $p_filelist);

			$v_result = $this->privAdd($v_list, $p_result_list, $v_add_path, $v_remove_path, $v_remove_all_path, $v_options);
		} else {
			PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid variable type p_filelist");
			$v_result = PCLZIP_ERR_INVALID_PARAMETER;
		}

		if ($v_result != 1) {
			return 0;
		}
		return $p_result_list;
	}

	function listContent() {
		$v_result = 1;

		$this->privErrorReset();

		if (!$this->privCheckFormat()) {
			return(0);
		}

		$p_list = array();
		if (($v_result = $this->privList($p_list)) != 1) {
			unset($p_list);
			return(0);
		}
		return $p_list;
	}

	//
	function extract(/* options */) {
		$v_result = 1;

		$this->privErrorReset();

		if (!$this->privCheckFormat()) {
			return(0);
		}

		$v_options = array();
		$v_path = "./";
		$v_remove_path = "";
		$v_remove_all_path = false;

		$v_size = func_num_args();

		$v_options[PCLZIP_OPT_EXTRACT_AS_STRING] = FALSE;

		if ($v_size > 0) {
			$v_arg_list = &func_get_args();

			if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) {

				$v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options,
								array(PCLZIP_OPT_PATH => 'optional',
									PCLZIP_OPT_REMOVE_PATH => 'optional',
									PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
									PCLZIP_OPT_ADD_PATH => 'optional',
									PCLZIP_CB_PRE_EXTRACT => 'optional',
									PCLZIP_CB_POST_EXTRACT => 'optional',
									PCLZIP_OPT_SET_CHMOD => 'optional',
									PCLZIP_OPT_BY_NAME => 'optional',
									PCLZIP_OPT_BY_EREG => 'optional',
									PCLZIP_OPT_BY_PREG => 'optional',
									PCLZIP_OPT_BY_INDEX => 'optional',
									PCLZIP_OPT_EXTRACT_AS_STRING => 'optional',
									PCLZIP_OPT_EXTRACT_IN_OUTPUT => 'optional'));
				if ($v_result != 1) {
					return 0;
				}

				if (isset($v_options[PCLZIP_OPT_PATH])) {
					$v_path = $v_options[PCLZIP_OPT_PATH];
				}
				if (isset($v_options[PCLZIP_OPT_REMOVE_PATH])) {
					$v_remove_path = $v_options[PCLZIP_OPT_REMOVE_PATH];
				}
				if (isset($v_options[PCLZIP_OPT_REMOVE_ALL_PATH])) {
					$v_remove_all_path = $v_options[PCLZIP_OPT_REMOVE_ALL_PATH];
				}
				if (isset($v_options[PCLZIP_OPT_ADD_PATH])) {
					if ((strlen($v_path) > 0) && (substr($v_path, -1) != '/')) {
						$v_path .= '/';
					}
					$v_path .= $v_options[PCLZIP_OPT_ADD_PATH];
				}
			} else {
				$v_path = $v_arg_list[0];

				if ($v_size == 2) {
					$v_remove_path = $v_arg_list[1];
				} else if ($v_size > 2) {
					PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid number / type of arguments");
					return 0;
				}
			}
		}

		$p_list = array();
		$v_result = $this->privExtractByRule($p_list, $v_path, $v_remove_path,
						$v_remove_all_path, $v_options);
		if ($v_result < 1) {
			unset($p_list);
			return(0);
		}
		return $p_list;
	}

	function extractByIndex($p_index /* $options */) {
		$v_result = 1;

		$this->privErrorReset();

		if (!$this->privCheckFormat()) {
			return(0);
		}

		$v_options = array();
		$v_path = "./";
		$v_remove_path = "";
		$v_remove_all_path = false;

		$v_size = func_num_args();

		$v_options[PCLZIP_OPT_EXTRACT_AS_STRING] = FALSE;

		if ($v_size > 1) {
			$v_arg_list = &func_get_args();

			array_shift($v_arg_list);
			$v_size--;

			if ((is_integer($v_arg_list[0])) && ($v_arg_list[0] > 77000)) {

				$v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options,
								array(PCLZIP_OPT_PATH => 'optional',
									PCLZIP_OPT_REMOVE_PATH => 'optional',
									PCLZIP_OPT_REMOVE_ALL_PATH => 'optional',
									PCLZIP_OPT_EXTRACT_AS_STRING => 'optional',
									PCLZIP_OPT_ADD_PATH => 'optional',
									PCLZIP_CB_PRE_EXTRACT => 'optional',
									PCLZIP_CB_POST_EXTRACT => 'optional',
									PCLZIP_OPT_SET_CHMOD => 'optional'));
				if ($v_result != 1) {
					return 0;
				}

				if (isset($v_options[PCLZIP_OPT_PATH])) {
					$v_path = $v_options[PCLZIP_OPT_PATH];
				}
				if (isset($v_options[PCLZIP_OPT_REMOVE_PATH])) {
					$v_remove_path = $v_options[PCLZIP_OPT_REMOVE_PATH];
				}
				if (isset($v_options[PCLZIP_OPT_REMOVE_ALL_PATH])) {
					$v_remove_all_path = $v_options[PCLZIP_OPT_REMOVE_ALL_PATH];
				}
				if (isset($v_options[PCLZIP_OPT_ADD_PATH])) {
					if ((strlen($v_path) > 0) && (substr($v_path, -1) != '/')) {
						$v_path .= '/';
					}
					$v_path .= $v_options[PCLZIP_OPT_ADD_PATH];
				}
				if (!isset($v_options[PCLZIP_OPT_EXTRACT_AS_STRING])) {
					$v_options[PCLZIP_OPT_EXTRACT_AS_STRING] = FALSE;
				} else {

				}
			} else {

				$v_path = $v_arg_list[0];

				if ($v_size == 2) {
					$v_remove_path = $v_arg_list[1];
				} else if ($v_size > 2) {
					PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid number / type of arguments");

					return 0;
				}
			}
		}


		$v_arg_trick = array(PCLZIP_OPT_BY_INDEX, $p_index);
		$v_options_trick = array();
		$v_result = $this->privParseOptions($v_arg_trick, sizeof($v_arg_trick), $v_options_trick,
						array(PCLZIP_OPT_BY_INDEX => 'optional'));
		if ($v_result != 1) {
			return 0;
		}
		$v_options[PCLZIP_OPT_BY_INDEX] = $v_options_trick[PCLZIP_OPT_BY_INDEX];

		if (($v_result = $this->privExtractByRule($p_list, $v_path, $v_remove_path, $v_remove_all_path, $v_options)) < 1) {
			return(0);
		}

		return $p_list;
	}

	function delete(/* options */) {
		$v_result = 1;

		$this->privErrorReset();

		if (!$this->privCheckFormat()) {
			return(0);
		}

		$v_options = array();

		$v_size = func_num_args();

		if ($v_size <= 0) {
			PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Missing arguments");

			return 0;
		}

		$v_arg_list = &func_get_args();

		$v_result = $this->privParseOptions($v_arg_list, $v_size, $v_options,
						array(PCLZIP_OPT_BY_NAME => 'optional',
							PCLZIP_OPT_BY_EREG => 'optional',
							PCLZIP_OPT_BY_PREG => 'optional',
							PCLZIP_OPT_BY_INDEX => 'optional'));
		if ($v_result != 1) {
			return 0;
		}

		if ((!isset($v_options[PCLZIP_OPT_BY_NAME]))
				&& (!isset($v_options[PCLZIP_OPT_BY_EREG]))
				&& (!isset($v_options[PCLZIP_OPT_BY_PREG]))
				&& (!isset($v_options[PCLZIP_OPT_BY_INDEX]))) {
			PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "At least one filtering rule must be set");

			return 0;
		}

		$v_list = array();
		if (($v_result = $this->privDeleteByRule($v_list, $v_options)) != 1) {
			unset($v_list);
			return(0);
		}

		return $v_list;
	}

	function deleteByIndex($p_index) {

		$p_list = $this->delete(PCLZIP_OPT_BY_INDEX, $p_index);

		return $p_list;
	}

	function properties() {

		$this->privErrorReset();

		if (!$this->privCheckFormat()) {
			return(0);
		}

		$v_prop = array();
		$v_prop['comment'] = '';
		$v_prop['nb'] = 0;
		$v_prop['status'] = 'not_exist';

		if (@is_file($this->zipname)) {
			if (($this->zip_fd = @fopen($this->zipname, 'rb')) == 0) {
				PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open archive \'' . $this->zipname . '\' in binary read mode');

				return 0;
			}

			$v_central_dir = array();
			if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1) {
				return 0;
			}

			$this->privCloseFd();

			$v_prop['comment'] = $v_central_dir['comment'];
			$v_prop['nb'] = $v_central_dir['entries'];
			$v_prop['status'] = 'ok';
		}

		return $v_prop;
	}

	function duplicate($p_archive) {
		$v_result = 1;

		$this->privErrorReset();

		if ((is_object($p_archive)) && (get_class($p_archive) == 'pclzip')) {

			$v_result = $this->privDuplicate($p_archive->zipname);
		} else if (is_string($p_archive)) {

			if (!is_file($p_archive)) {
				PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "No file with filename '" . $p_archive . "'");
				$v_result = PCLZIP_ERR_MISSING_FILE;
			} else {
				$v_result = $this->privDuplicate($p_archive);
			}
		} else {
			PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid variable type p_archive_to_add");
			$v_result = PCLZIP_ERR_INVALID_PARAMETER;
		}

		return $v_result;
	}

	function merge($p_archive_to_add) {
		$v_result = 1;

		$this->privErrorReset();

		if (!$this->privCheckFormat()) {
			return(0);
		}

		if ((is_object($p_archive_to_add)) && (get_class($p_archive_to_add) == 'pclzip')) {

			$v_result = $this->privMerge($p_archive_to_add);
		} else if (is_string($p_archive_to_add)) {

			$v_object_archive = new PclZip($p_archive_to_add);

			$v_result = $this->privMerge($v_object_archive);
		} else {
			PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid variable type p_archive_to_add");
			$v_result = PCLZIP_ERR_INVALID_PARAMETER;
		}

		return $v_result;
	}

	function errorCode() {
		return($this->error_code);
	}

	function errorName($p_with_code=false) {
		$v_name = array(PCLZIP_ERR_NO_ERROR => 'PCLZIP_ERR_NO_ERROR',
			PCLZIP_ERR_WRITE_OPEN_FAIL => 'PCLZIP_ERR_WRITE_OPEN_FAIL',
			PCLZIP_ERR_READ_OPEN_FAIL => 'PCLZIP_ERR_READ_OPEN_FAIL',
			PCLZIP_ERR_INVALID_PARAMETER => 'PCLZIP_ERR_INVALID_PARAMETER',
			PCLZIP_ERR_MISSING_FILE => 'PCLZIP_ERR_MISSING_FILE',
			PCLZIP_ERR_FILENAME_TOO_LONG => 'PCLZIP_ERR_FILENAME_TOO_LONG',
			PCLZIP_ERR_INVALID_ZIP => 'PCLZIP_ERR_INVALID_ZIP',
			PCLZIP_ERR_BAD_EXTRACTED_FILE => 'PCLZIP_ERR_BAD_EXTRACTED_FILE',
			PCLZIP_ERR_DIR_CREATE_FAIL => 'PCLZIP_ERR_DIR_CREATE_FAIL',
			PCLZIP_ERR_BAD_EXTENSION => 'PCLZIP_ERR_BAD_EXTENSION',
			PCLZIP_ERR_BAD_FORMAT => 'PCLZIP_ERR_BAD_FORMAT',
			PCLZIP_ERR_DELETE_FILE_FAIL => 'PCLZIP_ERR_DELETE_FILE_FAIL',
			PCLZIP_ERR_RENAME_FILE_FAIL => 'PCLZIP_ERR_RENAME_FILE_FAIL',
			PCLZIP_ERR_BAD_CHECKSUM => 'PCLZIP_ERR_BAD_CHECKSUM',
			PCLZIP_ERR_INVALID_ARCHIVE_ZIP => 'PCLZIP_ERR_INVALID_ARCHIVE_ZIP',
			PCLZIP_ERR_MISSING_OPTION_VALUE => 'PCLZIP_ERR_MISSING_OPTION_VALUE',
			PCLZIP_ERR_INVALID_OPTION_VALUE => 'PCLZIP_ERR_INVALID_OPTION_VALUE');

		if (isset($v_name[$this->error_code])) {
			$v_value = $v_name[$this->error_code];
		} else {
			$v_value = 'NoName';
		}

		if ($p_with_code) {
			return($v_value . ' (' . $this->error_code . ')');
		} else {
			return($v_value);
		}
	}

	function errorInfo($p_full=false) {
		if (PCLZIP_ERROR_EXTERNAL == 1) {
			return(PclErrorString());
		} else {
			if ($p_full) {
				return($this->errorName(true) . " : " . $this->error_string);
			} else {
				return($this->error_string . " [code " . $this->error_code . "]");
			}
		}
	}

	function privCheckFormat($p_level=0) {
		$v_result = true;

		clearstatcache();

		$this->privErrorReset();

		if (!is_file($this->zipname)) {
			PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "Missing archive file '" . $this->zipname . "'");
			return(false);
		}

		if (!is_readable($this->zipname)) {
			PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, "Unable to read archive '" . $this->zipname . "'");
			return(false);
		}




		return $v_result;
	}

	function privParseOptions(&$p_options_list, $p_size, &$v_result_list, $v_requested_options=false) {
		$v_result = 1;

		$i = 0;
		while ($i < $p_size) {

			if (!isset($v_requested_options[$p_options_list[$i]])) {
				PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid optional parameter '" . $p_options_list[$i] . "' for this method");

				return PclZip::errorCode();
			}

			switch ($p_options_list[$i]) {
				case PCLZIP_OPT_PATH :
				case PCLZIP_OPT_REMOVE_PATH :
				case PCLZIP_OPT_ADD_PATH :
					if (($i + 1) >= $p_size) {
						PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '" . PclZipUtilOptionText($p_options_list[$i]) . "'");

						return PclZip::errorCode();
					}

					$v_result_list[$p_options_list[$i]] = PclZipUtilTranslateWinPath($p_options_list[$i + 1], false);
					$i++;
					break;

				case PCLZIP_OPT_BY_NAME :
					if (($i + 1) >= $p_size) {
						PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '" . PclZipUtilOptionText($p_options_list[$i]) . "'");

						return PclZip::errorCode();
					}

					if (is_string($p_options_list[$i + 1])) {
						$v_result_list[$p_options_list[$i]][0] = $p_options_list[$i + 1];
					} else if (is_array($p_options_list[$i + 1])) {
						$v_result_list[$p_options_list[$i]] = $p_options_list[$i + 1];
					} else {
						PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Wrong parameter value for option '" . PclZipUtilOptionText($p_options_list[$i]) . "'");

						return PclZip::errorCode();
					}
					$i++;
					break;

				case PCLZIP_OPT_BY_EREG :
				case PCLZIP_OPT_BY_PREG :
					if (($i + 1) >= $p_size) {
						PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '" . PclZipUtilOptionText($p_options_list[$i]) . "'");

						return PclZip::errorCode();
					}

					if (is_string($p_options_list[$i + 1])) {
						$v_result_list[$p_options_list[$i]] = $p_options_list[$i + 1];
					} else {
						PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Wrong parameter value for option '" . PclZipUtilOptionText($p_options_list[$i]) . "'");

						return PclZip::errorCode();
					}
					$i++;
					break;

				case PCLZIP_OPT_COMMENT :
				case PCLZIP_OPT_ADD_COMMENT :
				case PCLZIP_OPT_PREPEND_COMMENT :
					if (($i + 1) >= $p_size) {
						PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE,
										"Missing parameter value for option '"
										. PclZipUtilOptionText($p_options_list[$i])
										. "'");

						return PclZip::errorCode();
					}

					if (is_string($p_options_list[$i + 1])) {
						$v_result_list[$p_options_list[$i]] = $p_options_list[$i + 1];
					} else {
						PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE,
										"Wrong parameter value for option '"
										. PclZipUtilOptionText($p_options_list[$i])
										. "'");

						return PclZip::errorCode();
					}
					$i++;
					break;

				case PCLZIP_OPT_BY_INDEX :
					if (($i + 1) >= $p_size) {
						PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '" . PclZipUtilOptionText($p_options_list[$i]) . "'");

						return PclZip::errorCode();
					}

					$v_work_list = array();
					if (is_string($p_options_list[$i + 1])) {

						$p_options_list[$i + 1] = strtr($p_options_list[$i + 1], ' ', '');

						$v_work_list = explode(",", $p_options_list[$i + 1]);
					} else if (is_integer($p_options_list[$i + 1])) {
						$v_work_list[0] = $p_options_list[$i + 1] . '-' . $p_options_list[$i + 1];
					} else if (is_array($p_options_list[$i + 1])) {
						$v_work_list = $p_options_list[$i + 1];
					} else {
						PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Value must be integer, string or array for option '" . PclZipUtilOptionText($p_options_list[$i]) . "'");

						return PclZip::errorCode();
					}

					$v_sort_flag = false;
					$v_sort_value = 0;
					for ($j = 0; $j < sizeof($v_work_list); $j++) {
						$v_item_list = explode("-", $v_work_list[$j]);
						$v_size_item_list = sizeof($v_item_list);


						if ($v_size_item_list == 1) {
							$v_result_list[$p_options_list[$i]][$j]['start'] = $v_item_list[0];
							$v_result_list[$p_options_list[$i]][$j]['end'] = $v_item_list[0];
						} elseif ($v_size_item_list == 2) {
							$v_result_list[$p_options_list[$i]][$j]['start'] = $v_item_list[0];
							$v_result_list[$p_options_list[$i]][$j]['end'] = $v_item_list[1];
						} else {
							PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Too many values in index range for option '" . PclZipUtilOptionText($p_options_list[$i]) . "'");

							return PclZip::errorCode();
						}


						if ($v_result_list[$p_options_list[$i]][$j]['start'] < $v_sort_value) {
							$v_sort_flag = true;

							PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Invalid order of index range for option '" . PclZipUtilOptionText($p_options_list[$i]) . "'");

							return PclZip::errorCode();
						}
						$v_sort_value = $v_result_list[$p_options_list[$i]][$j]['start'];
					}

					if ($v_sort_flag) {
						
					}

					$i++;
					break;

				case PCLZIP_OPT_REMOVE_ALL_PATH :
				case PCLZIP_OPT_EXTRACT_AS_STRING :
				case PCLZIP_OPT_NO_COMPRESSION :
				case PCLZIP_OPT_EXTRACT_IN_OUTPUT :
					$v_result_list[$p_options_list[$i]] = true;
					break;

				case PCLZIP_OPT_SET_CHMOD :
					if (($i + 1) >= $p_size) {
						PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '" . PclZipUtilOptionText($p_options_list[$i]) . "'");

						return PclZip::errorCode();
					}

					$v_result_list[$p_options_list[$i]] = $p_options_list[$i + 1];
					$i++;
					break;

				case PCLZIP_CB_PRE_EXTRACT :
				case PCLZIP_CB_POST_EXTRACT :
				case PCLZIP_CB_PRE_ADD :
				case PCLZIP_CB_POST_ADD :
					/* for futur use
					  case PCLZIP_CB_PRE_DELETE :
					  case PCLZIP_CB_POST_DELETE :
					  case PCLZIP_CB_PRE_LIST :
					  case PCLZIP_CB_POST_LIST :
					 */
					if (($i + 1) >= $p_size) {
						PclZip::privErrorLog(PCLZIP_ERR_MISSING_OPTION_VALUE, "Missing parameter value for option '" . PclZipUtilOptionText($p_options_list[$i]) . "'");

						return PclZip::errorCode();
					}

					$v_function_name = $p_options_list[$i + 1];

					if (!function_exists($v_function_name)) {
						PclZip::privErrorLog(PCLZIP_ERR_INVALID_OPTION_VALUE, "Function '" . $v_function_name . "()' is not an existing function for option '" . PclZipUtilOptionText($p_options_list[$i]) . "'");

						return PclZip::errorCode();
					}

					$v_result_list[$p_options_list[$i]] = $v_function_name;
					$i++;
					break;

				default :
					PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER,
									"Unknown parameter '"
									. $p_options_list[$i] . "'");

					return PclZip::errorCode();
			}

			$i++;
		}

		if ($v_requested_options !== false) {
			for ($key = reset($v_requested_options); $key = key($v_requested_options); $key = next($v_requested_options)) {
				if ($v_requested_options[$key] == 'mandatory') {
					if (!isset($v_result_list[$key])) {
						PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Missing mandatory parameter " . PclZipUtilOptionText($key) . "(" . $key . ")");

						return PclZip::errorCode();
					}
				}
			}
		}

		return $v_result;
	}

	function privCreate($p_list, &$p_result_list, $p_add_dir, $p_remove_dir, $p_remove_all_dir, &$p_options) {
		$v_result = 1;
		$v_list_detail = array();

		if (($v_result = $this->privOpenFd('wb')) != 1) {
			return $v_result;
		}

		$v_result = $this->privAddList($p_list, $p_result_list, $p_add_dir, $p_remove_dir, $p_remove_all_dir, $p_options);

		$this->privCloseFd();

		return $v_result;
	}

	function privAdd($p_list, &$p_result_list, $p_add_dir, $p_remove_dir, $p_remove_all_dir, &$p_options) {
		$v_result = 1;
		$v_list_detail = array();

		if ((!is_file($this->zipname)) || (filesize($this->zipname) == 0)) {

			$v_result = $this->privCreate($p_list, $p_result_list, $p_add_dir, $p_remove_dir, $p_remove_all_dir, $p_options);

			return $v_result;
		}

		if (($v_result = $this->privOpenFd('rb')) != 1) {
			return $v_result;
		}

		$v_central_dir = array();
		if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1) {
			$this->privCloseFd();
			return $v_result;
		}

		@rewind($this->zip_fd);

		$v_zip_temp_name = PCLZIP_TEMPORARY_DIR . uniqid('pclzip-') . '.tmp';

		if (($v_zip_temp_fd = @fopen($v_zip_temp_name, 'wb')) == 0) {
			$this->privCloseFd();

			PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \'' . $v_zip_temp_name . '\' in binary write mode');

			return PclZip::errorCode();
		}

		$v_size = $v_central_dir['offset'];
		while ($v_size != 0) {
			$v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
			$v_buffer = fread($this->zip_fd, $v_read_size);
			@fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
			$v_size -= $v_read_size;
		}

		$v_swap = $this->zip_fd;
		$this->zip_fd = $v_zip_temp_fd;
		$v_zip_temp_fd = $v_swap;

		$v_header_list = array();
		if (($v_result = $this->privAddFileList($p_list, $v_header_list, $p_add_dir, $p_remove_dir, $p_remove_all_dir, $p_options)) != 1) {
			fclose($v_zip_temp_fd);
			$this->privCloseFd();
			@unlink($v_zip_temp_name);

			return $v_result;
		}

		$v_offset = @ftell($this->zip_fd);

		$v_size = $v_central_dir['size'];
		while ($v_size != 0) {
			$v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
			$v_buffer = @fread($v_zip_temp_fd, $v_read_size);
			@fwrite($this->zip_fd, $v_buffer, $v_read_size);
			$v_size -= $v_read_size;
		}

		for ($i = 0, $v_count = 0; $i < sizeof($v_header_list); $i++) {
			if ($v_header_list[$i]['status'] == 'ok') {
				if (($v_result = $this->privWriteCentralFileHeader($v_header_list[$i])) != 1) {
					fclose($v_zip_temp_fd);
					$this->privCloseFd();
					@unlink($v_zip_temp_name);

					return $v_result;
				}
				$v_count++;
			}

			$this->privConvertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]);
		}

		$v_comment = $v_central_dir['comment'];
		if (isset($p_options[PCLZIP_OPT_COMMENT])) {
			$v_comment = $p_options[PCLZIP_OPT_COMMENT];
		}
		if (isset($p_options[PCLZIP_OPT_ADD_COMMENT])) {
			$v_comment = $v_comment . $p_options[PCLZIP_OPT_ADD_COMMENT];
		}
		if (isset($p_options[PCLZIP_OPT_PREPEND_COMMENT])) {
			$v_comment = $p_options[PCLZIP_OPT_PREPEND_COMMENT] . $v_comment;
		}

		$v_size = @ftell($this->zip_fd) - $v_offset;

		if (($v_result = $this->privWriteCentralHeader($v_count + $v_central_dir['entries'], $v_size, $v_offset, $v_comment)) != 1) {
			unset($v_header_list);

			return $v_result;
		}

		$v_swap = $this->zip_fd;
		$this->zip_fd = $v_zip_temp_fd;
		$v_zip_temp_fd = $v_swap;

		$this->privCloseFd();

		@fclose($v_zip_temp_fd);

		@unlink($this->zipname);

		PclZipUtilRename($v_zip_temp_name, $this->zipname);

		return $v_result;
	}

	function privOpenFd($p_mode) {
		$v_result = 1;

		if ($this->zip_fd != 0) {
			PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Zip file \'' . $this->zipname . '\' already open');

			return PclZip::errorCode();
		}

		if (($this->zip_fd = @fopen($this->zipname, $p_mode)) == 0) {
			PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open archive \'' . $this->zipname . '\' in ' . $p_mode . ' mode');

			return PclZip::errorCode();
		}

		return $v_result;
	}

	function privCloseFd() {
		$v_result = 1;

		if ($this->zip_fd != 0)
			@fclose($this->zip_fd);
		$this->zip_fd = 0;

		return $v_result;
	}

	function privAddList($p_list, &$p_result_list, $p_add_dir, $p_remove_dir, $p_remove_all_dir, &$p_options) {
		$v_result = 1;

		$v_header_list = array();
		if (($v_result = $this->privAddFileList($p_list, $v_header_list, $p_add_dir, $p_remove_dir, $p_remove_all_dir, $p_options)) != 1) {
			return $v_result;
		}

		$v_offset = @ftell($this->zip_fd);

		for ($i = 0, $v_count = 0; $i < sizeof($v_header_list); $i++) {
			if ($v_header_list[$i]['status'] == 'ok') {
				if (($v_result = $this->privWriteCentralFileHeader($v_header_list[$i])) != 1) {
					return $v_result;
				}
				$v_count++;
			}

			$this->privConvertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]);
		}

		$v_comment = '';
		if (isset($p_options[PCLZIP_OPT_COMMENT])) {
			$v_comment = $p_options[PCLZIP_OPT_COMMENT];
		}

		$v_size = @ftell($this->zip_fd) - $v_offset;

		if (($v_result = $this->privWriteCentralHeader($v_count, $v_size, $v_offset, $v_comment)) != 1) {
			unset($v_header_list);

			return $v_result;
		}

		return $v_result;
	}

	function privAddFileList($p_list, &$p_result_list, $p_add_dir, $p_remove_dir, $p_remove_all_dir, &$p_options) {
		$v_result = 1;
		$v_header = array();

		$v_nb = sizeof($p_result_list);

		for ($j = 0; ($j < count($p_list)) && ($v_result == 1); $j++) {
			$p_filename = PclZipUtilTranslateWinPath($p_list[$j], false);


			if ($p_filename == "") {
				continue;
			}

			if (!file_exists($p_filename)) {
				PclZip::privErrorLog(PCLZIP_ERR_MISSING_FILE, "File '$p_filename' does not exists");

				return PclZip::errorCode();
			}

			/* This test is done later
			  if (strlen($p_filename) > 0xFF)
			  {
			  PclZip::privErrorLog(-5, "File name is too long (max. 255) : '$p_filename'");

			  return PclZip::errorCode();
			  }
			 */

			if ((is_file($p_filename)) || ((is_dir($p_filename)) && !$p_remove_all_dir)) {
				if (($v_result = $this->privAddFile($p_filename, $v_header, $p_add_dir, $p_remove_dir, $p_remove_all_dir, $p_options)) != 1) {
					return $v_result;
				}

				$p_result_list[$v_nb++] = $v_header;
			}

			if (is_dir($p_filename)) {

				if ($p_filename != ".")
					$v_path = $p_filename . "/";
				else
					$v_path = "";

				$p_hdir = opendir($p_filename);
				$p_hitem = readdir($p_hdir);
				$p_hitem = readdir($p_hdir);
				while (($p_hitem = readdir($p_hdir)) !== false) {

					if (is_file($v_path . $p_hitem)) {

						if (($v_result = $this->privAddFile($v_path . $p_hitem, $v_header, $p_add_dir, $p_remove_dir, $p_remove_all_dir, $p_options)) != 1) {
							return $v_result;
						}

						$p_result_list[$v_nb++] = $v_header;
					} else {

						$p_temp_list[0] = $v_path . $p_hitem;
						$v_result = $this->privAddFileList($p_temp_list, $p_result_list, $p_add_dir, $p_remove_dir, $p_remove_all_dir, $p_options);

						$v_nb = sizeof($p_result_list);
					}
				}

				unset($p_temp_list);
				unset($p_hdir);
				unset($p_hitem);
			}
		}


		return $v_result;
	}

	function privAddFile($p_filename, &$p_header, $p_add_dir, $p_remove_dir, $p_remove_all_dir, &$p_options) {
		$v_result = 1;

		if ($p_filename == "") {
			PclZip::privErrorLog(PCLZIP_ERR_INVALID_PARAMETER, "Invalid file list parameter (invalid or empty list)");

			return PclZip::errorCode();
		}

		$v_stored_filename = $p_filename;

		if ($p_remove_all_dir) {
			$v_stored_filename = basename($p_filename);
		} else if ($p_remove_dir != "") {
			if (substr($p_remove_dir, -1) != '/')
				$p_remove_dir .= "/";

			if ((substr($p_filename, 0, 2) == "./") || (substr($p_remove_dir, 0, 2) == "./")) {
				if ((substr($p_filename, 0, 2) == "./") && (substr($p_remove_dir, 0, 2) != "./"))
					$p_remove_dir = "./" . $p_remove_dir;
				if ((substr($p_filename, 0, 2) != "./") && (substr($p_remove_dir, 0, 2) == "./"))
					$p_remove_dir = substr($p_remove_dir, 2);
			}

			$v_compare = PclZipUtilPathInclusion($p_remove_dir, $p_filename);
			if ($v_compare > 0) {

				if ($v_compare == 2) {
					$v_stored_filename = "";
				} else {
					$v_stored_filename = substr($p_filename, strlen($p_remove_dir));
				}
			}
		}
		if ($p_add_dir != "") {
			if (substr($p_add_dir, -1) == "/")
				$v_stored_filename = $p_add_dir . $v_stored_filename;
			else
				$v_stored_filename = $p_add_dir . "/" . $v_stored_filename;
		}

		$v_stored_filename = PclZipUtilPathReduction($v_stored_filename);


		/* filename length moved after call-back in release 1.3
		  if (strlen($v_stored_filename) > 0xFF)
		  {
		  PclZip::privErrorLog(-5, "Stored file name is too long (max. 255) : '$v_stored_filename'");

		  return PclZip::errorCode();
		  }
		 */

		clearstatcache();
		$p_header['version'] = 20;
		$p_header['version_extracted'] = 10;
		$p_header['flag'] = 0;
		$p_header['compression'] = 0;
		$p_header['mtime'] = filemtime($p_filename);
		$p_header['crc'] = 0;
		$p_header['compressed_size'] = 0;
		$p_header['size'] = filesize($p_filename);
		$p_header['filename_len'] = strlen($p_filename);
		$p_header['extra_len'] = 0;
		$p_header['comment_len'] = 0;
		$p_header['disk'] = 0;
		$p_header['internal'] = 0;
		$p_header['external'] = (is_file($p_filename) ? 0xFE49FFE0 : 0x41FF0010);
		$p_header['offset'] = 0;
		$p_header['filename'] = $p_filename;
		$p_header['stored_filename'] = $v_stored_filename;
		$p_header['extra'] = '';
		$p_header['comment'] = '';
		$p_header['status'] = 'ok';
		$p_header['index'] = -1;

		if (isset($p_options[PCLZIP_CB_PRE_ADD])) {

			$v_local_header = array();
			$this->privConvertHeader2FileInfo($p_header, $v_local_header);

			eval('$v_result = ' . $p_options[PCLZIP_CB_PRE_ADD] . '(PCLZIP_CB_PRE_ADD, $v_local_header);');
			if ($v_result == 0) {
				$p_header['status'] = "skipped";
				$v_result = 1;
			}

			if ($p_header['stored_filename'] != $v_local_header['stored_filename']) {
				$p_header['stored_filename'] = PclZipUtilPathReduction($v_local_header['stored_filename']);
			}
		}

		if ($p_header['stored_filename'] == "") {
			$p_header['status'] = "filtered";
		}

		if (strlen($p_header['stored_filename']) > 0xFF) {
			$p_header['status'] = 'filename_too_long';
		}

		if ($p_header['status'] == 'ok') {

			if (is_file($p_filename)) {
				if (($v_file = @fopen($p_filename, "rb")) == 0) {
					PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, "Unable to open file '$p_filename' in binary read mode");
					return PclZip::errorCode();
				}

				if ($p_options[PCLZIP_OPT_NO_COMPRESSION]) {
					$v_content_compressed = @fread($v_file, $p_header['size']);

					$p_header['crc'] = crc32($v_content_compressed);
				} else {
					$v_content = @fread($v_file, $p_header['size']);

					$p_header['crc'] = crc32($v_content);

					$v_content_compressed = gzdeflate($v_content);
				}

				$p_header['compressed_size'] = strlen($v_content_compressed);
				$p_header['compression'] = 8;

				if (($v_result = $this->privWriteFileHeader($p_header)) != 1) {
					@fclose($v_file);
					return $v_result;
				}

				$v_binary_data = pack('a' . $p_header['compressed_size'], $v_content_compressed);
				@fwrite($this->zip_fd, $v_binary_data, $p_header['compressed_size']);

				@fclose($v_file);
			} else {
				$p_header['filename'] .= '/';
				$p_header['filename_len']++;
				$p_header['size'] = 0;
				$p_header['external'] = 0x41FF0010;
				if (($v_result = $this->privWriteFileHeader($p_header)) != 1) {
					return $v_result;
				}
			}
		}

		if (isset($p_options[PCLZIP_CB_POST_ADD])) {

			$v_local_header = array();
			$this->privConvertHeader2FileInfo($p_header, $v_local_header);

			eval('$v_result = ' . $p_options[PCLZIP_CB_POST_ADD] . '(PCLZIP_CB_POST_ADD, $v_local_header);');
			if ($v_result == 0) {
				$v_result = 1;
			}
		}

		return $v_result;
	}

	function privWriteFileHeader(&$p_header) {
		$v_result = 1;


		$p_header['offset'] = ftell($this->zip_fd);

		$v_date = getdate($p_header['mtime']);
		$v_mtime = ($v_date['hours'] << 11) + ($v_date['minutes'] << 5) + $v_date['seconds'] / 2;
		$v_mdate = (($v_date['year'] - 1980) << 9) + ($v_date['mon'] << 5) + $v_date['mday'];

		$v_binary_data = pack("VvvvvvVVVvv", 0x04034b50, $p_header['version'], $p_header['flag'],
						$p_header['compression'], $v_mtime, $v_mdate,
						$p_header['crc'], $p_header['compressed_size'], $p_header['size'],
						strlen($p_header['stored_filename']), $p_header['extra_len']);

		fputs($this->zip_fd, $v_binary_data, 30);

		if (strlen($p_header['stored_filename']) != 0) {
			fputs($this->zip_fd, $p_header['stored_filename'], strlen($p_header['stored_filename']));
		}
		if ($p_header['extra_len'] != 0) {
			fputs($this->zip_fd, $p_header['extra'], $p_header['extra_len']);
		}

		return $v_result;
	}

	function privWriteCentralFileHeader(&$p_header) {
		$v_result = 1;


		$v_date = getdate($p_header['mtime']);
		$v_mtime = ($v_date['hours'] << 11) + ($v_date['minutes'] << 5) + $v_date['seconds'] / 2;
		$v_mdate = (($v_date['year'] - 1980) << 9) + ($v_date['mon'] << 5) + $v_date['mday'];

		$v_binary_data = pack("VvvvvvvVVVvvvvvVV", 0x02014b50, $p_header['version'], $p_header['version_extracted'],
						$p_header['flag'], $p_header['compression'], $v_mtime, $v_mdate, $p_header['crc'],
						$p_header['compressed_size'], $p_header['size'],
						strlen($p_header['stored_filename']), $p_header['extra_len'], $p_header['comment_len'],
						$p_header['disk'], $p_header['internal'], $p_header['external'], $p_header['offset']);

		fputs($this->zip_fd, $v_binary_data, 46);

		if (strlen($p_header['stored_filename']) != 0) {
			fputs($this->zip_fd, $p_header['stored_filename'], strlen($p_header['stored_filename']));
		}
		if ($p_header['extra_len'] != 0) {
			fputs($this->zip_fd, $p_header['extra'], $p_header['extra_len']);
		}
		if ($p_header['comment_len'] != 0) {
			fputs($this->zip_fd, $p_header['comment'], $p_header['comment_len']);
		}

		return $v_result;
	}

	function privWriteCentralHeader($p_nb_entries, $p_size, $p_offset, $p_comment) {
		$v_result = 1;

		$v_binary_data = pack("VvvvvVVv", 0x06054b50, 0, 0, $p_nb_entries, $p_nb_entries, $p_size, $p_offset, strlen($p_comment));

		fputs($this->zip_fd, $v_binary_data, 22);

		if (strlen($p_comment) != 0) {
			fputs($this->zip_fd, $p_comment, strlen($p_comment));
		}

		return $v_result;
	}

	function privList(&$p_list) {
		$v_result = 1;

		if (($this->zip_fd = @fopen($this->zipname, 'rb')) == 0) {
			PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open archive \'' . $this->zipname . '\' in binary read mode');

			return PclZip::errorCode();
		}

		$v_central_dir = array();
		if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1) {
			return $v_result;
		}

		@rewind($this->zip_fd);
		if (@fseek($this->zip_fd, $v_central_dir['offset'])) {
			PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');

			return PclZip::errorCode();
		}

		for ($i = 0; $i < $v_central_dir['entries']; $i++) {
			if (($v_result = $this->privReadCentralFileHeader($v_header)) != 1) {
				return $v_result;
			}
			$v_header['index'] = $i;

			$this->privConvertHeader2FileInfo($v_header, $p_list[$i]);
			unset($v_header);
		}

		$this->privCloseFd();

		return $v_result;
	}

	function privConvertHeader2FileInfo($p_header, &$p_info) {
		$v_result = 1;

		$p_info['filename'] = $p_header['filename'];
		$p_info['stored_filename'] = $p_header['stored_filename'];
		$p_info['size'] = $p_header['size'];
		$p_info['compressed_size'] = $p_header['compressed_size'];
		$p_info['mtime'] = $p_header['mtime'];
		$p_info['comment'] = $p_header['comment'];
		$p_info['folder'] = (($p_header['external'] & 0x00000010) == 0x00000010);
		$p_info['index'] = $p_header['index'];
		$p_info['status'] = $p_header['status'];

		return $v_result;
	}

	function privExtractByRule(&$p_file_list, $p_path, $p_remove_path, $p_remove_all_path, &$p_options) {
		$v_result = 1;

		if (($p_path == "") || ((substr($p_path, 0, 1) != "/") && (substr($p_path, 0, 3) != "../") && (substr($p_path, 1, 2) != ":/")))
			$p_path = "./" . $p_path;

		if (($p_path != "./") && ($p_path != "/")) {
			while (substr($p_path, -1) == "/") {
				$p_path = substr($p_path, 0, strlen($p_path) - 1);
			}
		}

		if (($p_remove_path != "") && (substr($p_remove_path, -1) != '/')) {
			$p_remove_path .= '/';
		}
		$p_remove_path_size = strlen($p_remove_path);

		if (($v_result = $this->privOpenFd('rb')) != 1) {
			return $v_result;
		}

		$v_central_dir = array();
		if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1) {
			$this->privCloseFd();

			return $v_result;
		}

		$v_pos_entry = $v_central_dir['offset'];

		$j_start = 0;
		for ($i = 0, $v_nb_extracted = 0; $i < $v_central_dir['entries']; $i++) {

			@rewind($this->zip_fd);
			if (@fseek($this->zip_fd, $v_pos_entry)) {
				$this->privCloseFd();

				PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');

				return PclZip::errorCode();
			}

			$v_header = array();
			if (($v_result = $this->privReadCentralFileHeader($v_header)) != 1) {
				$this->privCloseFd();

				return $v_result;
			}

			$v_header['index'] = $i;

			$v_pos_entry = ftell($this->zip_fd);

			$v_extract = false;

			if ((isset($p_options[PCLZIP_OPT_BY_NAME]))
					&& ($p_options[PCLZIP_OPT_BY_NAME] != 0)) {

				for ($j = 0; ($j < sizeof($p_options[PCLZIP_OPT_BY_NAME])) && (!$v_extract); $j++) {

					if (substr($p_options[PCLZIP_OPT_BY_NAME][$j], -1) == "/") {

						if ((strlen($v_header['stored_filename']) > strlen($p_options[PCLZIP_OPT_BY_NAME][$j]))
								&& (substr($v_header['stored_filename'], 0, strlen($p_options[PCLZIP_OPT_BY_NAME][$j])) == $p_options[PCLZIP_OPT_BY_NAME][$j])) {
							$v_extract = true;
						}
					} elseif ($v_header['stored_filename'] == $p_options[PCLZIP_OPT_BY_NAME][$j]) {
						$v_extract = true;
					}
				}
			} else if ((isset($p_options[PCLZIP_OPT_BY_EREG]))
					&& ($p_options[PCLZIP_OPT_BY_EREG] != "")) {

				if (ereg($p_options[PCLZIP_OPT_BY_EREG], $v_header['stored_filename'])) {
					$v_extract = true;
				}
			} else if ((isset($p_options[PCLZIP_OPT_BY_PREG]))
					&& ($p_options[PCLZIP_OPT_BY_PREG] != "")) {

				if (preg_match($p_options[PCLZIP_OPT_BY_PREG], $v_header['stored_filename'])) {
					$v_extract = true;
				}
			} else if ((isset($p_options[PCLZIP_OPT_BY_INDEX]))
					&& ($p_options[PCLZIP_OPT_BY_INDEX] != 0)) {

				for ($j = $j_start; ($j < sizeof($p_options[PCLZIP_OPT_BY_INDEX])) && (!$v_extract); $j++) {

					if (($i >= $p_options[PCLZIP_OPT_BY_INDEX][$j]['start']) && ($i <= $p_options[PCLZIP_OPT_BY_INDEX][$j]['end'])) {
						$v_extract = true;
					}
					if ($i >= $p_options[PCLZIP_OPT_BY_INDEX][$j]['end']) {
						$j_start = $j + 1;
					}

					if ($p_options[PCLZIP_OPT_BY_INDEX][$j]['start'] > $i) {
						break;
					}
				}
			} else {
				$v_extract = true;
			}


			if ($v_extract) {

				@rewind($this->zip_fd);
				if (@fseek($this->zip_fd, $v_header['offset'])) {
					$this->privCloseFd();

					PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');

					return PclZip::errorCode();
				}

				if ($p_options[PCLZIP_OPT_EXTRACT_AS_STRING]) {

					$v_result1 = $this->privExtractFileAsString($v_header, $v_string);
					if ($v_result1 < 1) {
						$this->privCloseFd();
						return $v_result1;
					}

					if (($v_result = $this->privConvertHeader2FileInfo($v_header, $p_file_list[$v_nb_extracted])) != 1) {
						$this->privCloseFd();

						return $v_result;
					}

					$p_file_list[$v_nb_extracted]['content'] = $v_string;

					$v_nb_extracted++;

					if ($v_result1 == 2) {
						break;
					}
				} elseif ((isset($p_options[PCLZIP_OPT_EXTRACT_IN_OUTPUT]))
						&& ($p_options[PCLZIP_OPT_EXTRACT_IN_OUTPUT])) {
					$v_result1 = $this->privExtractFileInOutput($v_header, $p_options);
					if ($v_result1 < 1) {
						$this->privCloseFd();
						return $v_result1;
					}

					if (($v_result = $this->privConvertHeader2FileInfo($v_header, $p_file_list[$v_nb_extracted++])) != 1) {
						$this->privCloseFd();
						return $v_result;
					}

					if ($v_result1 == 2) {
						break;
					}
				} else {
					$v_result1 = $this->privExtractFile($v_header,
									$p_path, $p_remove_path,
									$p_remove_all_path,
									$p_options);
					if ($v_result1 < 1) {
						$this->privCloseFd();
						return $v_result1;
					}

					if (($v_result = $this->privConvertHeader2FileInfo($v_header, $p_file_list[$v_nb_extracted++])) != 1) {
						$this->privCloseFd();

						return $v_result;
					}

					if ($v_result1 == 2) {
						break;
					}
				}
			}
		}

		$this->privCloseFd();

		return $v_result;
	}

	function privExtractFile(&$p_entry, $p_path, $p_remove_path, $p_remove_all_path, &$p_options) {
		$v_result = 1;

		if (($v_result = $this->privReadFileHeader($v_header)) != 1) {
			return $v_result;
		}



		if ($p_remove_all_path == true) {
			$p_entry['filename'] = basename($p_entry['filename']);
		} else if ($p_remove_path != "") {
			if (PclZipUtilPathInclusion($p_remove_path, $p_entry['filename']) == 2) {

				$p_entry['status'] = "filtered";

				return $v_result;
			}

			$p_remove_path_size = strlen($p_remove_path);
			if (substr($p_entry['filename'], 0, $p_remove_path_size) == $p_remove_path) {

				$p_entry['filename'] = substr($p_entry['filename'], $p_remove_path_size);
			}
		}

		if ($p_path != '') {
			$p_entry['filename'] = $p_path . "/" . $p_entry['filename'];
		}

		if (isset($p_options[PCLZIP_CB_PRE_EXTRACT])) {

			$v_local_header = array();
			$this->privConvertHeader2FileInfo($p_entry, $v_local_header);

			eval('$v_result = ' . $p_options[PCLZIP_CB_PRE_EXTRACT] . '(PCLZIP_CB_PRE_EXTRACT, $v_local_header);');
			if ($v_result == 0) {
				$p_entry['status'] = "skipped";
				$v_result = 1;
			}

			if ($v_result == 2) {
				$p_entry['status'] = "aborted";
				$v_result = PCLZIP_ERR_USER_ABORTED;
			}

			$p_entry['filename'] = $v_local_header['filename'];
		}


		if ($p_entry['status'] == 'ok') {

			if (file_exists($p_entry['filename'])) {

				if (is_dir($p_entry['filename'])) {

					$p_entry['status'] = "already_a_directory";
				} else if (!is_writeable($p_entry['filename'])) {

					$p_entry['status'] = "write_protected";
				} else if (filemtime($p_entry['filename']) > $p_entry['mtime']) {

					$p_entry['status'] = "newer_exist";
				}
			} else {
				if ((($p_entry['external'] & 0x00000010) == 0x00000010) || (substr($p_entry['filename'], -1) == '/'))
					$v_dir_to_check = $p_entry['filename'];
				else if (!strstr($p_entry['filename'], "/"))
					$v_dir_to_check = "";
				else
					$v_dir_to_check = dirname($p_entry['filename']);

				if (($v_result = $this->privDirCheck($v_dir_to_check, (($p_entry['external'] & 0x00000010) == 0x00000010))) != 1) {

					$p_entry['status'] = "path_creation_fail";

					$v_result = 1;
				}
			}
		}

		if ($p_entry['status'] == 'ok') {

			if (!(($p_entry['external'] & 0x00000010) == 0x00000010)) {

				if ($p_entry['compressed_size'] == $p_entry['size']) {

					if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0) {

						$p_entry['status'] = "write_error";

						return $v_result;
					}


					$v_size = $p_entry['compressed_size'];
					while ($v_size != 0) {
						$v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
						$v_buffer = fread($this->zip_fd, $v_read_size);
						$v_binary_data = pack('a' . $v_read_size, $v_buffer);
						@fwrite($v_dest_file, $v_binary_data, $v_read_size);
						$v_size -= $v_read_size;
					}

					fclose($v_dest_file);

					touch($p_entry['filename'], $p_entry['mtime']);
				} else {

					if (($v_dest_file = @fopen($p_entry['filename'], 'wb')) == 0) {

						$p_entry['status'] = "write_error";

						return $v_result;
					}


					$v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']);

					$v_file_content = gzinflate($v_buffer);
					unset($v_buffer);

					@fwrite($v_dest_file, $v_file_content, $p_entry['size']);
					unset($v_file_content);

					@fclose($v_dest_file);

					touch($p_entry['filename'], $p_entry['mtime']);
				}

				if (isset($p_options[PCLZIP_OPT_SET_CHMOD])) {

					chmod($p_entry['filename'], $p_options[PCLZIP_OPT_SET_CHMOD]);
				}
			}
		}

		if ($p_entry['status'] == "aborted") {
			$p_entry['status'] = "skipped";
		} elseif (isset($p_options[PCLZIP_CB_POST_EXTRACT])) {

			$v_local_header = array();
			$this->privConvertHeader2FileInfo($p_entry, $v_local_header);

			eval('$v_result = ' . $p_options[PCLZIP_CB_POST_EXTRACT] . '(PCLZIP_CB_POST_EXTRACT, $v_local_header);');

			if ($v_result == 2) {
				$v_result = PCLZIP_ERR_USER_ABORTED;
			}
		}

		return $v_result;
	}

	function privExtractFileInOutput(&$p_entry, &$p_options) {
		$v_result = 1;

		if (($v_result = $this->privReadFileHeader($v_header)) != 1) {
			return $v_result;
		}



		if (isset($p_options[PCLZIP_CB_PRE_EXTRACT])) {

			$v_local_header = array();
			$this->privConvertHeader2FileInfo($p_entry, $v_local_header);

			eval('$v_result = ' . $p_options[PCLZIP_CB_PRE_EXTRACT] . '(PCLZIP_CB_PRE_EXTRACT, $v_local_header);');
			if ($v_result == 0) {
				$p_entry['status'] = "skipped";
				$v_result = 1;
			}

			if ($v_result == 2) {
				$p_entry['status'] = "aborted";
				$v_result = PCLZIP_ERR_USER_ABORTED;
			}

			$p_entry['filename'] = $v_local_header['filename'];
		}


		if ($p_entry['status'] == 'ok') {

			if (!(($p_entry['external'] & 0x00000010) == 0x00000010)) {
				if ($p_entry['compressed_size'] == $p_entry['size']) {

					$v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']);

					echo $v_buffer;
					unset($v_buffer);
				} else {

					$v_buffer = @fread($this->zip_fd, $p_entry['compressed_size']);

					$v_file_content = gzinflate($v_buffer);
					unset($v_buffer);

					echo $v_file_content;
					unset($v_file_content);
				}
			}
		}

		if ($p_entry['status'] == "aborted") {
			$p_entry['status'] = "skipped";
		} elseif (isset($p_options[PCLZIP_CB_POST_EXTRACT])) {

			$v_local_header = array();
			$this->privConvertHeader2FileInfo($p_entry, $v_local_header);

			eval('$v_result = ' . $p_options[PCLZIP_CB_POST_EXTRACT] . '(PCLZIP_CB_POST_EXTRACT, $v_local_header);');

			if ($v_result == 2) {
				$v_result = PCLZIP_ERR_USER_ABORTED;
			}
		}

		return $v_result;
	}

	function privExtractFileAsString(&$p_entry, &$p_string) {
		$v_result = 1;

		$v_header = array();
		if (($v_result = $this->privReadFileHeader($v_header)) != 1) {
			return $v_result;
		}




		if (!(($p_entry['external'] & 0x00000010) == 0x00000010)) {
			if ($p_entry['compressed_size'] == $p_entry['size']) {

				$p_string = fread($this->zip_fd, $p_entry['compressed_size']);
			} else {

				$v_data = fread($this->zip_fd, $p_entry['compressed_size']);

				$p_string = gzinflate($v_data);
			}
		} else {

		}

		return $v_result;
	}

	function privReadFileHeader(&$p_header) {
		$v_result = 1;

		$v_binary_data = @fread($this->zip_fd, 4);
		$v_data = unpack('Vid', $v_binary_data);

		if ($v_data['id'] != 0x04034b50) {

			PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Invalid archive structure');

			return PclZip::errorCode();
		}

		$v_binary_data = fread($this->zip_fd, 26);

		if (strlen($v_binary_data) != 26) {
			$p_header['filename'] = "";
			$p_header['status'] = "invalid_header";

			PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, "Invalid block size : " . strlen($v_binary_data));

			return PclZip::errorCode();
		}

		$v_data = unpack('vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len', $v_binary_data);

		$p_header['filename'] = fread($this->zip_fd, $v_data['filename_len']);

		if ($v_data['extra_len'] != 0) {
			$p_header['extra'] = fread($this->zip_fd, $v_data['extra_len']);
		} else {
			$p_header['extra'] = '';
		}

		$p_header['compression'] = $v_data['compression'];
		$p_header['size'] = $v_data['size'];
		$p_header['compressed_size'] = $v_data['compressed_size'];
		$p_header['crc'] = $v_data['crc'];
		$p_header['flag'] = $v_data['flag'];

		$p_header['mdate'] = $v_data['mdate'];
		$p_header['mtime'] = $v_data['mtime'];
		if ($p_header['mdate'] && $p_header['mtime']) {
			$v_hour = ($p_header['mtime'] & 0xF800) >> 11;
			$v_minute = ($p_header['mtime'] & 0x07E0) >> 5;
			$v_seconde = ($p_header['mtime'] & 0x001F) * 2;

			$v_year = (($p_header['mdate'] & 0xFE00) >> 9) + 1980;
			$v_month = ($p_header['mdate'] & 0x01E0) >> 5;
			$v_day = $p_header['mdate'] & 0x001F;

			$p_header['mtime'] = mktime($v_hour, $v_minute, $v_seconde, $v_month, $v_day, $v_year);
		} else {
			$p_header['mtime'] = time();
		}



		$p_header['stored_filename'] = $p_header['filename'];

		$p_header['status'] = "ok";

		return $v_result;
	}

	function privReadCentralFileHeader(&$p_header) {
		$v_result = 1;

		$v_binary_data = @fread($this->zip_fd, 4);
		$v_data = unpack('Vid', $v_binary_data);

		if ($v_data['id'] != 0x02014b50) {

			PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Invalid archive structure');

			return PclZip::errorCode();
		}

		$v_binary_data = fread($this->zip_fd, 42);

		if (strlen($v_binary_data) != 42) {
			$p_header['filename'] = "";
			$p_header['status'] = "invalid_header";

			PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, "Invalid block size : " . strlen($v_binary_data));

			return PclZip::errorCode();
		}

		$p_header = unpack('vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset', $v_binary_data);

		if ($p_header['filename_len'] != 0)
			$p_header['filename'] = fread($this->zip_fd, $p_header['filename_len']);
		else
			$p_header['filename'] = '';

		if ($p_header['extra_len'] != 0)
			$p_header['extra'] = fread($this->zip_fd, $p_header['extra_len']);
		else
			$p_header['extra'] = '';

		if ($p_header['comment_len'] != 0)
			$p_header['comment'] = fread($this->zip_fd, $p_header['comment_len']);
		else
			$p_header['comment'] = '';


		if ($p_header['mdate'] && $p_header['mtime']) {
			$v_hour = ($p_header['mtime'] & 0xF800) >> 11;
			$v_minute = ($p_header['mtime'] & 0x07E0) >> 5;
			$v_seconde = ($p_header['mtime'] & 0x001F) * 2;

			$v_year = (($p_header['mdate'] & 0xFE00) >> 9) + 1980;
			$v_month = ($p_header['mdate'] & 0x01E0) >> 5;
			$v_day = $p_header['mdate'] & 0x001F;

			$p_header['mtime'] = mktime($v_hour, $v_minute, $v_seconde, $v_month, $v_day, $v_year);
		} else {
			$p_header['mtime'] = time();
		}

		$p_header['stored_filename'] = $p_header['filename'];

		$p_header['status'] = 'ok';

		if (substr($p_header['filename'], -1) == '/') {
			$p_header['external'] = 0x41FF0010;
		}


		return $v_result;
	}

	function privReadEndCentralDir(&$p_central_dir) {
		$v_result = 1;

		$v_size = filesize($this->zipname);
		@fseek($this->zip_fd, $v_size);
		if (@ftell($this->zip_fd) != $v_size) {
			PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Unable to go to the end of the archive \'' . $this->zipname . '\'');

			return PclZip::errorCode();
		}

		$v_found = 0;
		if ($v_size > 26) {
			@fseek($this->zip_fd, $v_size - 22);
			if (($v_pos = @ftell($this->zip_fd)) != ($v_size - 22)) {
				PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Unable to seek back to the middle of the archive \'' . $this->zipname . '\'');

				return PclZip::errorCode();
			}

			$v_binary_data = @fread($this->zip_fd, 4);
			$v_data = @unpack('Vid', $v_binary_data);

			if ($v_data['id'] == 0x06054b50) {
				$v_found = 1;
			}

			$v_pos = ftell($this->zip_fd);
		}

		if (!$v_found) {
			$v_maximum_size = 65557;
			if ($v_maximum_size > $v_size)
				$v_maximum_size = $v_size;
			@fseek($this->zip_fd, $v_size - $v_maximum_size);
			if (@ftell($this->zip_fd) != ($v_size - $v_maximum_size)) {
				PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, 'Unable to seek back to the middle of the archive \'' . $this->zipname . '\'');

				return PclZip::errorCode();
			}

			$v_pos = ftell($this->zip_fd);
			$v_bytes = 0x00000000;
			while ($v_pos < $v_size) {
				$v_byte = @fread($this->zip_fd, 1);

				$v_bytes = ($v_bytes << 8) | Ord($v_byte);

				if ($v_bytes == 0x504b0506) {
					$v_pos++;
					break;
				}

				$v_pos++;
			}

			if ($v_pos == $v_size) {

				PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, "Unable to find End of Central Dir Record signature");

				return PclZip::errorCode();
			}
		}

		$v_binary_data = fread($this->zip_fd, 18);

		if (strlen($v_binary_data) != 18) {

			PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, "Invalid End of Central Dir Record size : " . strlen($v_binary_data));

			return PclZip::errorCode();
		}

		$v_data = unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size', $v_binary_data);

		if (($v_pos + $v_data['comment_size'] + 18) != $v_size) {

			PclZip::privErrorLog(PCLZIP_ERR_BAD_FORMAT, "Fail to find the right signature");

			return PclZip::errorCode();
		}

		if ($v_data['comment_size'] != 0)
			$p_central_dir['comment'] = fread($this->zip_fd, $v_data['comment_size']);
		else
			$p_central_dir['comment'] = '';

		$p_central_dir['entries'] = $v_data['entries'];
		$p_central_dir['disk_entries'] = $v_data['disk_entries'];
		$p_central_dir['offset'] = $v_data['offset'];
		$p_central_dir['size'] = $v_data['size'];
		$p_central_dir['disk'] = $v_data['disk'];
		$p_central_dir['disk_start'] = $v_data['disk_start'];


		return $v_result;
	}

	function privDeleteByRule(&$p_result_list, &$p_options) {
		$v_result = 1;
		$v_list_detail = array();

		if (($v_result = $this->privOpenFd('rb')) != 1) {
			return $v_result;
		}

		$v_central_dir = array();
		if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1) {
			$this->privCloseFd();
			return $v_result;
		}

		@rewind($this->zip_fd);

		$v_pos_entry = $v_central_dir['offset'];
		@rewind($this->zip_fd);
		if (@fseek($this->zip_fd, $v_pos_entry)) {
			$this->privCloseFd();

			PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');

			return PclZip::errorCode();
		}

		$v_header_list = array();
		$j_start = 0;
		for ($i = 0, $v_nb_extracted = 0; $i < $v_central_dir['entries']; $i++) {

			$v_header_list[$v_nb_extracted] = array();
			if (($v_result = $this->privReadCentralFileHeader($v_header_list[$v_nb_extracted])) != 1) {
				$this->privCloseFd();

				return $v_result;
			}


			$v_header_list[$v_nb_extracted]['index'] = $i;

			$v_found = false;

			if ((isset($p_options[PCLZIP_OPT_BY_NAME]))
					&& ($p_options[PCLZIP_OPT_BY_NAME] != 0)) {

				for ($j = 0; ($j < sizeof($p_options[PCLZIP_OPT_BY_NAME])) && (!$v_found); $j++) {

					if (substr($p_options[PCLZIP_OPT_BY_NAME][$j], -1) == "/") {

						if ((strlen($v_header_list[$v_nb_extracted]['stored_filename']) > strlen($p_options[PCLZIP_OPT_BY_NAME][$j]))
								&& (substr($v_header_list[$v_nb_extracted]['stored_filename'], 0, strlen($p_options[PCLZIP_OPT_BY_NAME][$j])) == $p_options[PCLZIP_OPT_BY_NAME][$j])) {
							$v_found = true;
						} elseif ((($v_header_list[$v_nb_extracted]['external'] & 0x00000010) == 0x00000010) /* Indicates a folder */
								&& ($v_header_list[$v_nb_extracted]['stored_filename'] . '/' == $p_options[PCLZIP_OPT_BY_NAME][$j])) {
							$v_found = true;
						}
					} elseif ($v_header_list[$v_nb_extracted]['stored_filename'] == $p_options[PCLZIP_OPT_BY_NAME][$j]) {
						$v_found = true;
					}
				}
			} else if ((isset($p_options[PCLZIP_OPT_BY_EREG]))
					&& ($p_options[PCLZIP_OPT_BY_EREG] != "")) {

				if (ereg($p_options[PCLZIP_OPT_BY_EREG], $v_header_list[$v_nb_extracted]['stored_filename'])) {
					$v_found = true;
				}
			} else if ((isset($p_options[PCLZIP_OPT_BY_PREG]))
					&& ($p_options[PCLZIP_OPT_BY_PREG] != "")) {

				if (preg_match($p_options[PCLZIP_OPT_BY_PREG], $v_header_list[$v_nb_extracted]['stored_filename'])) {
					$v_found = true;
				}
			} else if ((isset($p_options[PCLZIP_OPT_BY_INDEX]))
					&& ($p_options[PCLZIP_OPT_BY_INDEX] != 0)) {

				for ($j = $j_start; ($j < sizeof($p_options[PCLZIP_OPT_BY_INDEX])) && (!$v_found); $j++) {

					if (($i >= $p_options[PCLZIP_OPT_BY_INDEX][$j]['start']) && ($i <= $p_options[PCLZIP_OPT_BY_INDEX][$j]['end'])) {
						$v_found = true;
					}
					if ($i >= $p_options[PCLZIP_OPT_BY_INDEX][$j]['end']) {
						$j_start = $j + 1;
					}

					if ($p_options[PCLZIP_OPT_BY_INDEX][$j]['start'] > $i) {
						break;
					}
				}
			}

			if ($v_found) {
				unset($v_header_list[$v_nb_extracted]);
			} else {
				$v_nb_extracted++;
			}
		}

		if ($v_nb_extracted > 0) {

			$v_zip_temp_name = PCLZIP_TEMPORARY_DIR . uniqid('pclzip-') . '.tmp';

			$v_temp_zip = new PclZip($v_zip_temp_name);

			if (($v_result = $v_temp_zip->privOpenFd('wb')) != 1) {
				$this->privCloseFd();

				return $v_result;
			}

			for ($i = 0; $i < sizeof($v_header_list); $i++) {

				@rewind($this->zip_fd);
				if (@fseek($this->zip_fd, $v_header_list[$i]['offset'])) {
					$this->privCloseFd();
					$v_temp_zip->privCloseFd();
					@unlink($v_zip_temp_name);

					PclZip::privErrorLog(PCLZIP_ERR_INVALID_ARCHIVE_ZIP, 'Invalid archive size');

					return PclZip::errorCode();
				}

				if (($v_result = $this->privReadFileHeader($v_header_list[$i])) != 1) {
					$this->privCloseFd();
					$v_temp_zip->privCloseFd();
					@unlink($v_zip_temp_name);

					return $v_result;
				}

				if (($v_result = $v_temp_zip->privWriteFileHeader($v_header_list[$i])) != 1) {
					$this->privCloseFd();
					$v_temp_zip->privCloseFd();
					@unlink($v_zip_temp_name);

					return $v_result;
				}

				if (($v_result = PclZipUtilCopyBlock($this->zip_fd, $v_temp_zip->zip_fd, $v_header_list[$i]['compressed_size'])) != 1) {
					$this->privCloseFd();
					$v_temp_zip->privCloseFd();
					@unlink($v_zip_temp_name);

					return $v_result;
				}
			}

			$v_offset = @ftell($v_temp_zip->zip_fd);

			for ($i = 0; $i < sizeof($v_header_list); $i++) {
				if (($v_result = $v_temp_zip->privWriteCentralFileHeader($v_header_list[$i])) != 1) {
					$v_temp_zip->privCloseFd();
					$this->privCloseFd();
					@unlink($v_zip_temp_name);

					return $v_result;
				}

				$v_temp_zip->privConvertHeader2FileInfo($v_header_list[$i], $p_result_list[$i]);
			}


			$v_comment = '';
			if (isset($p_options[PCLZIP_OPT_COMMENT])) {
				$v_comment = $p_options[PCLZIP_OPT_COMMENT];
			}

			$v_size = @ftell($v_temp_zip->zip_fd) - $v_offset;

			if (($v_result = $v_temp_zip->privWriteCentralHeader(sizeof($v_header_list), $v_size, $v_offset, $v_comment)) != 1) {
				unset($v_header_list);
				$v_temp_zip->privCloseFd();
				$this->privCloseFd();
				@unlink($v_zip_temp_name);

				return $v_result;
			}

			$v_temp_zip->privCloseFd();
			$this->privCloseFd();

			@unlink($this->zipname);

			PclZipUtilRename($v_zip_temp_name, $this->zipname);

			unset($v_temp_zip);
		} else if ($v_central_dir['entries'] != 0) {
			$this->privCloseFd();

			if (($v_result = $this->privOpenFd('wb')) != 1) {
				return $v_result;
			}

			if (($v_result = $this->privWriteCentralHeader(0, 0, 0, '')) != 1) {
				return $v_result;
			}

			$this->privCloseFd();
		}

		return $v_result;
	}

	function privDirCheck($p_dir, $p_is_dir=false) {
		$v_result = 1;


		if (($p_is_dir) && (substr($p_dir, -1) == '/')) {
			$p_dir = substr($p_dir, 0, strlen($p_dir) - 1);
		}

		if ((is_dir($p_dir)) || ($p_dir == "")) {
			return 1;
		}

		$p_parent_dir = dirname($p_dir);

		if ($p_parent_dir != $p_dir) {
			if ($p_parent_dir != "") {
				if (($v_result = $this->privDirCheck($p_parent_dir)) != 1) {
					return $v_result;
				}
			}
		}

		if (!@mkdir($p_dir, 0777)) {
			PclZip::privErrorLog(PCLZIP_ERR_DIR_CREATE_FAIL, "Unable to create directory '$p_dir'");

			return PclZip::errorCode();
		}

		return $v_result;
	}

	function privMerge(&$p_archive_to_add) {
		$v_result = 1;

		if (!is_file($p_archive_to_add->zipname)) {

			$v_result = 1;

			return $v_result;
		}

		if (!is_file($this->zipname)) {

			$v_result = $this->privDuplicate($p_archive_to_add->zipname);

			return $v_result;
		}

		if (($v_result = $this->privOpenFd('rb')) != 1) {
			return $v_result;
		}

		$v_central_dir = array();
		if (($v_result = $this->privReadEndCentralDir($v_central_dir)) != 1) {
			$this->privCloseFd();
			return $v_result;
		}

		@rewind($this->zip_fd);

		if (($v_result = $p_archive_to_add->privOpenFd('rb')) != 1) {
			$this->privCloseFd();

			return $v_result;
		}

		$v_central_dir_to_add = array();
		if (($v_result = $p_archive_to_add->privReadEndCentralDir($v_central_dir_to_add)) != 1) {
			$this->privCloseFd();
			$p_archive_to_add->privCloseFd();

			return $v_result;
		}

		@rewind($p_archive_to_add->zip_fd);

		$v_zip_temp_name = PCLZIP_TEMPORARY_DIR . uniqid('pclzip-') . '.tmp';

		if (($v_zip_temp_fd = @fopen($v_zip_temp_name, 'wb')) == 0) {
			$this->privCloseFd();
			$p_archive_to_add->privCloseFd();

			PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open temporary file \'' . $v_zip_temp_name . '\' in binary write mode');

			return PclZip::errorCode();
		}

		$v_size = $v_central_dir['offset'];
		while ($v_size != 0) {
			$v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
			$v_buffer = fread($this->zip_fd, $v_read_size);
			@fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
			$v_size -= $v_read_size;
		}

		$v_size = $v_central_dir_to_add['offset'];
		while ($v_size != 0) {
			$v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
			$v_buffer = fread($p_archive_to_add->zip_fd, $v_read_size);
			@fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
			$v_size -= $v_read_size;
		}

		$v_offset = @ftell($v_zip_temp_fd);

		$v_size = $v_central_dir['size'];
		while ($v_size != 0) {
			$v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
			$v_buffer = @fread($this->zip_fd, $v_read_size);
			@fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
			$v_size -= $v_read_size;
		}

		$v_size = $v_central_dir_to_add['size'];
		while ($v_size != 0) {
			$v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
			$v_buffer = @fread($p_archive_to_add->zip_fd, $v_read_size);
			@fwrite($v_zip_temp_fd, $v_buffer, $v_read_size);
			$v_size -= $v_read_size;
		}

		$v_comment = $v_central_dir['comment'] . ' ' . $v_central_dir_to_add['comment'];

		$v_size = @ftell($v_zip_temp_fd) - $v_offset;

		$v_swap = $this->zip_fd;
		$this->zip_fd = $v_zip_temp_fd;
		$v_zip_temp_fd = $v_swap;

		if (($v_result = $this->privWriteCentralHeader($v_central_dir['entries'] + $v_central_dir_to_add['entries'], $v_size, $v_offset, $v_comment)) != 1) {
			$this->privCloseFd();
			$p_archive_to_add->privCloseFd();
			@fclose($v_zip_temp_fd);
			$this->zip_fd = null;

			unset($v_header_list);

			return $v_result;
		}

		$v_swap = $this->zip_fd;
		$this->zip_fd = $v_zip_temp_fd;
		$v_zip_temp_fd = $v_swap;

		$this->privCloseFd();
		$p_archive_to_add->privCloseFd();

		@fclose($v_zip_temp_fd);

		@unlink($this->zipname);

		PclZipUtilRename($v_zip_temp_name, $this->zipname);

		return $v_result;
	}

	function privDuplicate($p_archive_filename) {
		$v_result = 1;

		if (!is_file($p_archive_filename)) {

			$v_result = 1;

			return $v_result;
		}

		if (($v_result = $this->privOpenFd('wb')) != 1) {
			return $v_result;
		}

		if (($v_zip_temp_fd = @fopen($p_archive_filename, 'rb')) == 0) {
			$this->privCloseFd();

			PclZip::privErrorLog(PCLZIP_ERR_READ_OPEN_FAIL, 'Unable to open archive file \'' . $p_archive_filename . '\' in binary write mode');

			return PclZip::errorCode();
		}

		$v_size = filesize($p_archive_filename);
		while ($v_size != 0) {
			$v_read_size = ($v_size < PCLZIP_READ_BLOCK_SIZE ? $v_size : PCLZIP_READ_BLOCK_SIZE);
			$v_buffer = fread($v_zip_temp_fd, $v_read_size);
			@fwrite($this->zip_fd, $v_buffer, $v_read_size);
			$v_size -= $v_read_size;
		}

		$this->privCloseFd();

		@fclose($v_zip_temp_fd);

		return $v_result;
	}

	function privErrorLog($p_error_code=0, $p_error_string='') {
		if (PCLZIP_ERROR_EXTERNAL == 1) {
			PclError($p_error_code, $p_error_string);
		} else {
			$this->error_code = $p_error_code;
			$this->error_string = $p_error_string;
		}
	}

	function privErrorReset() {
		if (PCLZIP_ERROR_EXTERNAL == 1) {
			PclErrorReset();
		} else {
			$this->error_code = 1;
			$this->error_string = '';
		}
	}

}

function PclZipUtilPathReduction($p_dir) {
	$v_result = "";

	if ($p_dir != "") {
		$v_list = explode("/", $p_dir);

		for ($i = sizeof($v_list) - 1; $i >= 0; $i--) {
			if ($v_list[$i] == ".") {
				
			} else if ($v_list[$i] == "..") {
				$i--;
			} else if (($v_list[$i] == "") && ($i != (sizeof($v_list) - 1)) && ($i != 0)) {
				
			} else {
				$v_result = $v_list[$i] . ($i != (sizeof($v_list) - 1) ? "/" . $v_result : "");
			}
		}
	}

	return $v_result;
}

function PclZipUtilPathInclusion($p_dir, $p_path) {
	$v_result = 1;

	$v_list_dir = explode("/", $p_dir);
	$v_list_dir_size = sizeof($v_list_dir);
	$v_list_path = explode("/", $p_path);
	$v_list_path_size = sizeof($v_list_path);

	$i = 0;
	$j = 0;
	while (($i < $v_list_dir_size) && ($j < $v_list_path_size) && ($v_result)) {

		if ($v_list_dir[$i] == '') {
			$i++;
			continue;
		}
		if ($v_list_path[$j] == '') {
			$j++;
			continue;
		}

		if (($v_list_dir[$i] != $v_list_path[$j]) && ($v_list_dir[$i] != '') && ( $v_list_path[$j] != '')) {
			$v_result = 0;
		}

		$i++;
		$j++;
	}

	if ($v_result) {
		while (($j < $v_list_path_size) && ($v_list_path[$j] == ''))
			$j++;
		while (($i < $v_list_dir_size) && ($v_list_dir[$i] == ''))
			$i++;

		if (($i >= $v_list_dir_size) && ($j >= $v_list_path_size)) {
			$v_result = 2;
		} else if ($i < $v_list_dir_size) {
			$v_result = 0;
		}
	}

	return $v_result;
}

function PclZipUtilCopyBlock($p_src, $p_dest, $p_size, $p_mode=0) {
	$v_result = 1;

	if ($p_mode == 0) {
		while ($p_size != 0) {
			$v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE);
			$v_buffer = @fread($p_src, $v_read_size);
			@fwrite($p_dest, $v_buffer, $v_read_size);
			$p_size -= $v_read_size;
		}
	} else if ($p_mode == 1) {
		while ($p_size != 0) {
			$v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE);
			$v_buffer = @gzread($p_src, $v_read_size);
			@fwrite($p_dest, $v_buffer, $v_read_size);
			$p_size -= $v_read_size;
		}
	} else if ($p_mode == 2) {
		while ($p_size != 0) {
			$v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE);
			$v_buffer = @fread($p_src, $v_read_size);
			@gzwrite($p_dest, $v_buffer, $v_read_size);
			$p_size -= $v_read_size;
		}
	} else if ($p_mode == 3) {
		while ($p_size != 0) {
			$v_read_size = ($p_size < PCLZIP_READ_BLOCK_SIZE ? $p_size : PCLZIP_READ_BLOCK_SIZE);
			$v_buffer = @gzread($p_src, $v_read_size);
			@gzwrite($p_dest, $v_buffer, $v_read_size);
			$p_size -= $v_read_size;
		}
	}

	return $v_result;
}

function PclZipUtilRename($p_src, $p_dest) {
	$v_result = 1;

	if (!@rename($p_src, $p_dest)) {

		if (!@copy($p_src, $p_dest)) {
			$v_result = 0;
		} else if (!@unlink($p_src)) {
			$v_result = 0;
		}
	}

	return $v_result;
}

function PclZipUtilOptionText($p_option) {

	switch ($p_option) {
		case PCLZIP_OPT_PATH :
			$v_result = 'PCLZIP_OPT_PATH';
			break;
		case PCLZIP_OPT_ADD_PATH :
			$v_result = 'PCLZIP_OPT_ADD_PATH';
			break;
		case PCLZIP_OPT_REMOVE_PATH :
			$v_result = 'PCLZIP_OPT_REMOVE_PATH';
			break;
		case PCLZIP_OPT_REMOVE_ALL_PATH :
			$v_result = 'PCLZIP_OPT_REMOVE_ALL_PATH';
			break;
		case PCLZIP_OPT_EXTRACT_AS_STRING :
			$v_result = 'PCLZIP_OPT_EXTRACT_AS_STRING';
			break;
		case PCLZIP_OPT_SET_CHMOD :
			$v_result = 'PCLZIP_OPT_SET_CHMOD';
			break;
		case PCLZIP_OPT_BY_NAME :
			$v_result = 'PCLZIP_OPT_BY_NAME';
			break;
		case PCLZIP_OPT_BY_INDEX :
			$v_result = 'PCLZIP_OPT_BY_INDEX';
			break;
		case PCLZIP_OPT_BY_EREG :
			$v_result = 'PCLZIP_OPT_BY_EREG';
			break;
		case PCLZIP_OPT_BY_PREG :
			$v_result = 'PCLZIP_OPT_BY_PREG';
			break;


		case PCLZIP_CB_PRE_EXTRACT :
			$v_result = 'PCLZIP_CB_PRE_EXTRACT';
			break;
		case PCLZIP_CB_POST_EXTRACT :
			$v_result = 'PCLZIP_CB_POST_EXTRACT';
			break;
		case PCLZIP_CB_PRE_ADD :
			$v_result = 'PCLZIP_CB_PRE_ADD';
			break;
		case PCLZIP_CB_POST_ADD :
			$v_result = 'PCLZIP_CB_POST_ADD';
			break;

		default :
			$v_result = 'Unknown';
	}

	return $v_result;
}

function PclZipUtilTranslateWinPath($p_path, $p_remove_disk_letter=true) {
	if (stristr(php_uname(), 'windows')) {
		if (($p_remove_disk_letter) && (($v_position = strpos($p_path, ':')) != false)) {
			$p_path = substr($p_path, $v_position + 1);
		}
		if ((strpos($p_path, '\\') > 0) || (substr($p_path, 0, 1) == '\\')) {
			$p_path = strtr($p_path, '\\', '/');
		}
	}
	return $p_path;
}

?>
